Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom
GeoGebra
  • Home
  • Resources
  • Profile
  • Classroom
  • App Downloads

The Napkin Ring Problem

Author:Steve Phelps
I saw this video earlier today.

New Resources

  • Proving Triangles Similar: Multistep Transformations
  • Thales' Intercept Theorem
  • רישום חופשי
  • Identify Opposite, Adjacent, Hypotenuse
  • Inversión esférica de nudos: el nudo trébol y el nudo ocho

Discover Resources

  • Ind: CircleDiagram
  • Forum_f=2&t=39053_A_MarkPointList
  • Embedding Practice
  • Geogebra Investigation 2
  • Untitled
  • How to EMBED GeoGebra Resources within Schoology and Canvas

Discover Topics

  • Derivative
  • Histogram
  • Straight Lines
  • Diagrams
  • General Quadrilateral
AboutPartnersHelp Center
Terms of ServicePrivacyLicense
Graphing CalculatorCalculator SuiteMath Resources

Download our apps here:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2026 GeoGebra®